mirror of
https://github.com/slsdetectorgroup/aare.git
synced 2025-06-06 21:00:41 +02:00
377 lines
9.2 KiB
C++
377 lines
9.2 KiB
C++
#include "aare/core/NDArray.hpp"
|
|
#include <array>
|
|
#include <catch2/catch_test_macros.hpp>
|
|
|
|
using aare::NDArray;
|
|
using aare::NDView;
|
|
using aare::Shape;
|
|
|
|
TEST_CASE("Initial size is zero if no size is specified") {
|
|
NDArray<double> a;
|
|
REQUIRE(a.size() == 0);
|
|
REQUIRE(a.shape() == Shape<2>{0, 0});
|
|
}
|
|
|
|
TEST_CASE("Construct from a DataSpan") {
|
|
std::vector<int> some_data(9, 42);
|
|
NDView<int, 2> view(some_data.data(), Shape<2>{3, 3});
|
|
|
|
NDArray<int, 2> image(view);
|
|
|
|
REQUIRE(image.shape() == view.shape());
|
|
REQUIRE(image.size() == view.size());
|
|
REQUIRE(image.data() != view.data());
|
|
|
|
for (int i = 0; i < image.size(); ++i) {
|
|
REQUIRE(image(i) == view(i));
|
|
}
|
|
|
|
// Changing the image doesn't change the view
|
|
image = 43;
|
|
for (int i = 0; i < image.size(); ++i) {
|
|
REQUIRE(image(i) != view(i));
|
|
}
|
|
}
|
|
|
|
TEST_CASE("1D image") {
|
|
std::array<ssize_t, 1> shape{{20}};
|
|
NDArray<short, 1> img(shape, 3);
|
|
REQUIRE(img.size() == 20);
|
|
REQUIRE(img(5) == 3);
|
|
}
|
|
|
|
TEST_CASE("Accessing a const object") {
|
|
const NDArray<double, 3> img({3, 4, 5}, 0);
|
|
REQUIRE(img(1, 1, 1) == 0);
|
|
REQUIRE(img.size() == 3 * 4 * 5);
|
|
REQUIRE(img.shape() == Shape<3>{3, 4, 5});
|
|
REQUIRE(img.shape(0) == 3);
|
|
REQUIRE(img.shape(1) == 4);
|
|
REQUIRE(img.shape(2) == 5);
|
|
}
|
|
|
|
TEST_CASE("Indexing of a 2D image") {
|
|
std::array<ssize_t, 2> shape{{3, 7}};
|
|
NDArray<long> img(shape, 5);
|
|
for (int i = 0; i != img.size(); ++i) {
|
|
REQUIRE(img(i) == 5);
|
|
}
|
|
|
|
for (int i = 0; i != img.size(); ++i) {
|
|
img(i) = i;
|
|
}
|
|
REQUIRE(img(0, 0) == 0);
|
|
REQUIRE(img(0, 1) == 1);
|
|
REQUIRE(img(1, 0) == 7);
|
|
}
|
|
|
|
TEST_CASE("Indexing of a 3D image") {
|
|
NDArray<float, 3> img{{{3, 4, 2}}, 5.0f};
|
|
for (int i = 0; i != img.size(); ++i) {
|
|
REQUIRE(img(i) == 5.0f);
|
|
}
|
|
|
|
// Double check general properties
|
|
REQUIRE(img.size() == 3 * 4 * 2);
|
|
|
|
for (int i = 0; i != img.size(); ++i) {
|
|
img(i) = float(i);
|
|
}
|
|
REQUIRE(img(0, 0, 0) == 0);
|
|
REQUIRE(img(0, 0, 1) == 1);
|
|
REQUIRE(img(0, 1, 1) == 3);
|
|
REQUIRE(img(1, 2, 0) == 12);
|
|
REQUIRE(img(2, 3, 1) == 23);
|
|
}
|
|
|
|
TEST_CASE("Divide double by int") {
|
|
NDArray<double, 1> a{{5}, 5};
|
|
NDArray<int, 1> b{{5}, 5};
|
|
a /= b;
|
|
for (auto it : a) {
|
|
REQUIRE(it == 1.0);
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Elementwise multiplication of 3D image") {
|
|
std::array<ssize_t, 3> shape{3, 4, 2};
|
|
NDArray<double, 3> a{shape};
|
|
NDArray<double, 3> b{shape};
|
|
for (int i = 0; i != a.size(); ++i) {
|
|
a(i) = i;
|
|
b(i) = i;
|
|
}
|
|
auto c = a * b;
|
|
REQUIRE(c(0, 0, 0) == 0 * 0);
|
|
REQUIRE(c(0, 0, 1) == 1 * 1);
|
|
REQUIRE(c(0, 1, 1) == 3 * 3);
|
|
REQUIRE(c(1, 2, 0) == 12 * 12);
|
|
REQUIRE(c(2, 3, 1) == 23 * 23);
|
|
}
|
|
|
|
TEST_CASE("Compare two images") {
|
|
NDArray<int> a;
|
|
NDArray<int> b;
|
|
CHECK(a == b);
|
|
|
|
a = NDArray<int>{{5, 10}, 0};
|
|
CHECK(a != b);
|
|
|
|
b = NDArray<int>{{5, 10}, 0};
|
|
CHECK(a == b);
|
|
|
|
b(3, 3) = 7;
|
|
CHECK(a != b);
|
|
}
|
|
|
|
TEST_CASE("Size and shape matches") {
|
|
ssize_t w = 15;
|
|
ssize_t h = 75;
|
|
std::array<ssize_t, 2> shape{w, h};
|
|
NDArray<double> a{shape};
|
|
REQUIRE(a.size() == w * h);
|
|
REQUIRE(a.shape() == shape);
|
|
}
|
|
|
|
TEST_CASE("Initial value matches for all elements") {
|
|
double v = 4.35;
|
|
NDArray<double> a{{5, 5}, v};
|
|
for (int i = 0; i < a.size(); ++i) {
|
|
REQUIRE(a(i) == v);
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Data layout of 3D image, fast index last") {
|
|
NDArray<int, 3> a{{3, 3, 3}, 0};
|
|
REQUIRE(a.size() == 27);
|
|
int *ptr = a.data();
|
|
|
|
for (int i = 0; i < 9; ++i) {
|
|
*ptr++ = 10 + i;
|
|
REQUIRE(a(0, 0, i) == 10 + i);
|
|
REQUIRE(a(i) == 10 + i);
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Bitwise and on data") {
|
|
|
|
NDArray<uint16_t, 1> a({3}, 0);
|
|
uint16_t mask = 0x3FF;
|
|
a(0) = 16684;
|
|
a(1) = 33068;
|
|
a(2) = 52608;
|
|
|
|
a &= mask;
|
|
|
|
REQUIRE(a(0) == 300);
|
|
REQUIRE(a(1) == 300);
|
|
REQUIRE(a(2) == 384);
|
|
}
|
|
|
|
// TEST_CASE("Benchmarks")
|
|
// {
|
|
// NDArray<double> img;
|
|
// std::array<ssize_t, 2> shape{ 512, 1024 };
|
|
// BENCHMARK("Allocate 500k double image")
|
|
// {
|
|
// NDArray<double>im{ shape };
|
|
// }
|
|
// BENCHMARK("Allocate 500k double image with initial value")
|
|
// {
|
|
// NDArray<double>im{ shape, 3.14 };
|
|
// }
|
|
|
|
// NDArray<double> a{ shape, 1.2 };
|
|
// NDArray<double> b{ shape, 53. };
|
|
// auto c = a + b;
|
|
// c = a * b;
|
|
// BENCHMARK("Multiply two images")
|
|
// {
|
|
// c = a * b;
|
|
// }
|
|
// BENCHMARK("Divide two images")
|
|
// {
|
|
// c = a / b;
|
|
// }
|
|
// BENCHMARK("Add two images")
|
|
// {
|
|
// c = a + b;
|
|
// }
|
|
// BENCHMARK("Subtract two images")
|
|
// {
|
|
// c = a - b;
|
|
// }
|
|
// }
|
|
|
|
TEST_CASE("Elementwise operatios on images") {
|
|
std::array<ssize_t, 2> shape{5, 5};
|
|
double a_val = 3.0;
|
|
double b_val = 8.0;
|
|
|
|
SECTION("Add two images") {
|
|
NDArray<double> A(shape, a_val);
|
|
NDArray<double> B(shape, b_val);
|
|
|
|
auto C = A + B;
|
|
|
|
// Value of C matches
|
|
for (int i = 0; i < C.size(); ++i) {
|
|
REQUIRE(C(i) == a_val + b_val);
|
|
}
|
|
|
|
// Value of A is not changed
|
|
for (int i = 0; i < A.size(); ++i) {
|
|
REQUIRE(A(i) == a_val);
|
|
}
|
|
|
|
// Value of B is not changed
|
|
for (int i = 0; i < B.size(); ++i) {
|
|
REQUIRE(B(i) == b_val);
|
|
}
|
|
|
|
// A, B and C referes to different data
|
|
REQUIRE(A.data() != B.data());
|
|
REQUIRE(B.data() != C.data());
|
|
}
|
|
SECTION("Subtract two images") {
|
|
NDArray<double> A(shape, a_val);
|
|
NDArray<double> B(shape, b_val);
|
|
auto C = A - B;
|
|
|
|
// Value of C matches
|
|
for (int i = 0; i < C.size(); ++i) {
|
|
REQUIRE(C(i) == a_val - b_val);
|
|
}
|
|
|
|
// Value of A is not changed
|
|
for (int i = 0; i < A.size(); ++i) {
|
|
REQUIRE(A(i) == a_val);
|
|
}
|
|
|
|
// Value of B is not changed
|
|
for (int i = 0; i < B.size(); ++i) {
|
|
REQUIRE(B(i) == b_val);
|
|
}
|
|
|
|
// A, B and C referes to different data
|
|
REQUIRE(A.data() != B.data());
|
|
REQUIRE(B.data() != C.data());
|
|
}
|
|
SECTION("Multiply two images") {
|
|
NDArray<double> A(shape, a_val);
|
|
NDArray<double> B(shape, b_val);
|
|
auto C = A * B;
|
|
|
|
// Value of C matches
|
|
for (int i = 0; i < C.size(); ++i) {
|
|
REQUIRE(C(i) == a_val * b_val);
|
|
}
|
|
|
|
// Value of A is not changed
|
|
for (int i = 0; i < A.size(); ++i) {
|
|
REQUIRE(A(i) == a_val);
|
|
}
|
|
|
|
// Value of B is not changed
|
|
for (int i = 0; i < B.size(); ++i) {
|
|
REQUIRE(B(i) == b_val);
|
|
}
|
|
|
|
// A, B and C referes to different data
|
|
REQUIRE(A.data() != B.data());
|
|
REQUIRE(B.data() != C.data());
|
|
}
|
|
SECTION("Divide two images") {
|
|
NDArray<double> A(shape, a_val);
|
|
NDArray<double> B(shape, b_val);
|
|
auto C = A / B;
|
|
|
|
// Value of C matches
|
|
for (int i = 0; i < C.size(); ++i) {
|
|
REQUIRE(C(i) == a_val / b_val);
|
|
}
|
|
|
|
// Value of A is not changed
|
|
for (int i = 0; i < A.size(); ++i) {
|
|
REQUIRE(A(i) == a_val);
|
|
}
|
|
|
|
// Value of B is not changed
|
|
for (int i = 0; i < B.size(); ++i) {
|
|
REQUIRE(B(i) == b_val);
|
|
}
|
|
|
|
// A, B and C referes to different data
|
|
REQUIRE(A.data() != B.data());
|
|
REQUIRE(B.data() != C.data());
|
|
}
|
|
|
|
SECTION("subtract scalar") {
|
|
NDArray<double> A(shape, a_val);
|
|
NDArray<double> B(shape, b_val);
|
|
double v = 1.0;
|
|
auto C = A - v;
|
|
REQUIRE(C.data() != A.data());
|
|
|
|
// Value of C matches
|
|
for (int i = 0; i < C.size(); ++i) {
|
|
REQUIRE(C(i) == a_val - v);
|
|
}
|
|
|
|
// Value of A is not changed
|
|
for (int i = 0; i < A.size(); ++i) {
|
|
REQUIRE(A(i) == a_val);
|
|
}
|
|
}
|
|
SECTION("add scalar") {
|
|
NDArray<double> A(shape, a_val);
|
|
NDArray<double> B(shape, b_val);
|
|
double v = 1.0;
|
|
auto C = A + v;
|
|
REQUIRE(C.data() != A.data());
|
|
|
|
// Value of C matches
|
|
for (int i = 0; i < C.size(); ++i) {
|
|
REQUIRE(C(i) == a_val + v);
|
|
}
|
|
|
|
// Value of A is not changed
|
|
for (int i = 0; i < A.size(); ++i) {
|
|
REQUIRE(A(i) == a_val);
|
|
}
|
|
}
|
|
SECTION("divide with scalar") {
|
|
NDArray<double> A(shape, a_val);
|
|
NDArray<double> B(shape, b_val);
|
|
double v = 3.7;
|
|
auto C = A / v;
|
|
REQUIRE(C.data() != A.data());
|
|
|
|
// Value of C matches
|
|
for (int i = 0; i < C.size(); ++i) {
|
|
REQUIRE(C(i) == a_val / v);
|
|
}
|
|
|
|
// Value of A is not changed
|
|
for (int i = 0; i < A.size(); ++i) {
|
|
REQUIRE(A(i) == a_val);
|
|
}
|
|
}
|
|
SECTION("multiply with scalar") {
|
|
NDArray<double> A(shape, a_val);
|
|
NDArray<double> B(shape, b_val);
|
|
double v = 3.7;
|
|
auto C = A / v;
|
|
REQUIRE(C.data() != A.data());
|
|
|
|
// Value of C matches
|
|
for (int i = 0; i < C.size(); ++i) {
|
|
REQUIRE(C(i) == a_val / v);
|
|
}
|
|
|
|
// Value of A is not changed
|
|
for (int i = 0; i < A.size(); ++i) {
|
|
REQUIRE(A(i) == a_val);
|
|
}
|
|
}
|
|
} |